375 				   map->m_len)) {  in __check_block_validity()
379 				 map->m_len);  in __check_block_validity()
427 		       inode->i_ino, es_map->m_lblk, es_map->m_len,  in ext4_map_blocks_es_recheck()
429 		       map->m_len, map->m_pblk, map->m_flags,  in ext4_map_blocks_es_recheck()
471 		  "logical block %lu\n", inode->i_ino, flags, map->m_len,  in ext4_map_blocks()
477 	if (unlikely(map->m_len > INT_MAX))  in ext4_map_blocks()
478 		map->m_len = INT_MAX;  in ext4_map_blocks()
492 			if (retval > map->m_len)  in ext4_map_blocks()
493 				retval = map->m_len;  in ext4_map_blocks()
494 			map->m_len = retval;  in ext4_map_blocks()
523 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
527 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
536 					     map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
539 					    map->m_len, map->m_pblk, status);  in ext4_map_blocks()
619 		if (unlikely(retval != map->m_len)) {  in ext4_map_blocks()
623 				     inode->i_ino, retval, map->m_len);  in ext4_map_blocks()
641 					     map->m_lblk + map->m_len - 1))  in ext4_map_blocks()
643 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_map_blocks()
702 	map.m_len = bh->b_size >> inode->i_blkbits;  in _ext4_get_block()
706 		if (map.m_len > DIO_MAX_BLOCKS)  in _ext4_get_block()
707 			map.m_len = DIO_MAX_BLOCKS;  in _ext4_get_block()
708 		dio_credits = ext4_chunk_trans_blocks(inode, map.m_len);  in _ext4_get_block()
736 		bh->b_size = inode->i_sb->s_blocksize * map.m_len;  in _ext4_get_block()
764 	map.m_len = 1;  in ext4_getblk()
1535 		  "logical block %lu\n", inode->i_ino, map->m_len,  in ext4_da_map_blocks()
1559 		if (retval > map->m_len)  in ext4_da_map_blocks()
1560 			retval = map->m_len;  in ext4_da_map_blocks()
1561 		map->m_len = retval;  in ext4_da_map_blocks()
1609 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_da_map_blocks()
1623 		if (unlikely(retval != map->m_len)) {  in ext4_da_map_blocks()
1627 				     inode->i_ino, retval, map->m_len);  in ext4_da_map_blocks()
1633 		ret = ext4_es_insert_extent(inode, map->m_lblk, map->m_len,  in ext4_da_map_blocks()
1667 	map.m_len = 1;  in ext4_da_get_block_prep()
1948 		if (map->m_len == 0)  in mpage_add_bh_to_extent()
1954 	if (map->m_len == 0) {  in mpage_add_bh_to_extent()
1956 		map->m_len = 1;  in mpage_add_bh_to_extent()
1962 	if (map->m_len >= MAX_WRITEPAGES_EXTENT_LEN)  in mpage_add_bh_to_extent()
1966 	if (lblk == map->m_lblk + map->m_len &&  in mpage_add_bh_to_extent()
1968 		map->m_len++;  in mpage_add_bh_to_extent()
2005 			if (mpd->map.m_len)  in mpage_process_page_bufs()
2012 	if (mpd->map.m_len == 0) {  in mpage_process_page_bufs()
2047 	end = (mpd->map.m_lblk + mpd->map.m_len - 1) >> bpp_bits;  in mpage_map_and_submit_buffers()
2068 				if (lblk >= mpd->map.m_lblk + mpd->map.m_len) {  in mpage_map_and_submit_buffers()
2073 					mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2113 	mpd->map.m_len = 0;  in mpage_map_and_submit_buffers()
2161 	BUG_ON(map->m_len == 0);  in mpage_map_one_extent()
2166 		for (i = 0; i < map->m_len; i++)  in mpage_map_one_extent()
2228 				 (unsigned)map->m_len, -err);  in mpage_map_and_submit_extent()
2246 	} while (map->m_len);  in mpage_map_and_submit_extent()
2329 	mpd->map.m_len = 0;  in mpage_prepare_extent_to_map()
2362 			if (mpd->map.m_len > 0 && mpd->next_page != page->index)  in mpage_prepare_extent_to_map()
2384 			if (mpd->map.m_len == 0)  in mpage_prepare_extent_to_map()
2547 			if (mpd.map.m_len)  in ext4_writepages()